GIANT lock in 5.4
kris at obsecurity.org
Mon Oct 17 11:55:52 PDT 2005
On Mon, Oct 17, 2005 at 09:28:56PM +0300, Toomas Aas wrote:
> I'm in a process of upgrading our FreeBSD 5.3 servers to 5.4. Two done,
> one to go. I noticed that the Giant lock is no longer mentioned in dmesg
> during boot. With FreeBSD 5.3, several devices (for example: ips, ahc,
> atkbd) had a note similar to this in dmesg:
> ips0: <IBM ServeRAID Adapter> port 0x2000-0x20ff mem
> 0xfeb00000-0xfebfffff irq 9 at device 1.0 on pci0
> ips0: [GIANT-LOCKED]
> With FreeBSD 5.4, the [GIANT-LOCKED] message no longer appears.
> Does that mean that Giant lock has been removed from all those drivers,
> or is the message simply not printed?
Do you still see it on some other drivers? If so, the former.
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